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-rw-r--r--drivers/w1/masters/ds1wm.c58
-rw-r--r--drivers/w1/masters/mxc_w1.c2
-rw-r--r--drivers/w1/masters/omap_hdq.c4
-rw-r--r--drivers/w1/masters/w1-gpio.c2
-rw-r--r--drivers/w1/w1_io.c16
5 files changed, 39 insertions, 43 deletions
diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
index 29e144f81cbe..37f08c850608 100644
--- a/drivers/w1/masters/ds1wm.c
+++ b/drivers/w1/masters/ds1wm.c
@@ -16,10 +16,10 @@
#include <linux/irq.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
-#include <linux/clk.h>
#include <linux/err.h>
#include <linux/delay.h>
-#include <linux/ds1wm.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/ds1wm.h>
#include <asm/io.h>
@@ -89,10 +89,9 @@ struct ds1wm_data {
void __iomem *map;
int bus_shift; /* # of shifts to calc register offsets */
struct platform_device *pdev;
- struct ds1wm_platform_data *pdata;
+ struct mfd_cell *cell;
int irq;
int active_high;
- struct clk *clk;
int slave_present;
void *reset_complete;
void *read_complete;
@@ -215,17 +214,17 @@ static int ds1wm_find_divisor(int gclk)
static void ds1wm_up(struct ds1wm_data *ds1wm_data)
{
- int gclk, divisor;
+ int divisor;
+ struct ds1wm_driver_data *plat = ds1wm_data->cell->driver_data;
- if (ds1wm_data->pdata->enable)
- ds1wm_data->pdata->enable(ds1wm_data->pdev);
+ if (ds1wm_data->cell->enable)
+ ds1wm_data->cell->enable(ds1wm_data->pdev);
- gclk = clk_get_rate(ds1wm_data->clk);
- clk_enable(ds1wm_data->clk);
- divisor = ds1wm_find_divisor(gclk);
+ divisor = ds1wm_find_divisor(plat->clock_rate);
if (divisor == 0) {
dev_err(&ds1wm_data->pdev->dev,
- "no suitable divisor for %dHz clock\n", gclk);
+ "no suitable divisor for %dHz clock\n",
+ plat->clock_rate);
return;
}
ds1wm_write_register(ds1wm_data, DS1WM_CLKDIV, divisor);
@@ -244,10 +243,8 @@ static void ds1wm_down(struct ds1wm_data *ds1wm_data)
ds1wm_write_register(ds1wm_data, DS1WM_INT_EN,
ds1wm_data->active_high ? DS1WM_INTEN_IAS : 0);
- if (ds1wm_data->pdata->disable)
- ds1wm_data->pdata->disable(ds1wm_data->pdev);
-
- clk_disable(ds1wm_data->clk);
+ if (ds1wm_data->cell->disable)
+ ds1wm_data->cell->disable(ds1wm_data->pdev);
}
/* --------------------------------------------------------------------- */
@@ -330,13 +327,18 @@ static struct w1_bus_master ds1wm_master = {
static int ds1wm_probe(struct platform_device *pdev)
{
struct ds1wm_data *ds1wm_data;
- struct ds1wm_platform_data *plat;
+ struct ds1wm_driver_data *plat;
struct resource *res;
+ struct mfd_cell *cell;
int ret;
if (!pdev)
return -ENODEV;
+ cell = pdev->dev.platform_data;
+ if (!cell)
+ return -ENODEV;
+
ds1wm_data = kzalloc(sizeof(*ds1wm_data), GFP_KERNEL);
if (!ds1wm_data)
return -ENOMEM;
@@ -348,15 +350,18 @@ static int ds1wm_probe(struct platform_device *pdev)
ret = -ENXIO;
goto err0;
}
- ds1wm_data->map = ioremap(res->start, res->end - res->start + 1);
+ ds1wm_data->map = ioremap(res->start, resource_size(res));
if (!ds1wm_data->map) {
ret = -ENOMEM;
goto err0;
}
- plat = pdev->dev.platform_data;
- ds1wm_data->bus_shift = plat->bus_shift;
+ plat = cell->driver_data;
+
+ /* calculate bus shift from mem resource */
+ ds1wm_data->bus_shift = resource_size(res) >> 3;
+
ds1wm_data->pdev = pdev;
- ds1wm_data->pdata = plat;
+ ds1wm_data->cell = cell;
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
@@ -376,26 +381,18 @@ static int ds1wm_probe(struct platform_device *pdev)
if (ret)
goto err1;
- ds1wm_data->clk = clk_get(&pdev->dev, "ds1wm");
- if (IS_ERR(ds1wm_data->clk)) {
- ret = PTR_ERR(ds1wm_data->clk);
- goto err2;
- }
-
ds1wm_up(ds1wm_data);
ds1wm_master.data = (void *)ds1wm_data;
ret = w1_add_master_device(&ds1wm_master);
if (ret)
- goto err3;
+ goto err2;
return 0;
-err3:
- ds1wm_down(ds1wm_data);
- clk_put(ds1wm_data->clk);
err2:
+ ds1wm_down(ds1wm_data);
free_irq(ds1wm_data->irq, ds1wm_data);
err1:
iounmap(ds1wm_data->map);
@@ -434,7 +431,6 @@ static int ds1wm_remove(struct platform_device *pdev)
w1_remove_master_device(&ds1wm_master);
ds1wm_down(ds1wm_data);
- clk_put(ds1wm_data->clk);
free_irq(ds1wm_data->irq, ds1wm_data);
iounmap(ds1wm_data->map);
kfree(ds1wm_data);
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index b9d74d0b353e..65244c02551b 100644
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -116,7 +116,7 @@ static int __init mxc_w1_probe(struct platform_device *pdev)
if (!mdev)
return -ENOMEM;
- mdev->clk = clk_get(&pdev->dev, "owire_clk");
+ mdev->clk = clk_get(&pdev->dev, "owire");
if (!mdev->clk) {
err = -ENODEV;
goto failed_clk;
diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index c973889110c8..a7e3b706b9d3 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -590,8 +590,8 @@ static int __init omap_hdq_probe(struct platform_device *pdev)
}
/* get interface & functional clock objects */
- hdq_data->hdq_ick = clk_get(&pdev->dev, "hdq_ick");
- hdq_data->hdq_fck = clk_get(&pdev->dev, "hdq_fck");
+ hdq_data->hdq_ick = clk_get(&pdev->dev, "ick");
+ hdq_data->hdq_fck = clk_get(&pdev->dev, "fck");
if (IS_ERR(hdq_data->hdq_ick) || IS_ERR(hdq_data->hdq_fck)) {
dev_dbg(&pdev->dev, "Can't get HDQ clock objects\n");
diff --git a/drivers/w1/masters/w1-gpio.c b/drivers/w1/masters/w1-gpio.c
index 9e1138a75e8b..a411702413d6 100644
--- a/drivers/w1/masters/w1-gpio.c
+++ b/drivers/w1/masters/w1-gpio.c
@@ -39,7 +39,7 @@ static u8 w1_gpio_read_bit(void *data)
{
struct w1_gpio_platform_data *pdata = data;
- return gpio_get_value(pdata->pin);
+ return gpio_get_value(pdata->pin) ? 1 : 0;
}
static int __init w1_gpio_probe(struct platform_device *pdev)
diff --git a/drivers/w1/w1_io.c b/drivers/w1/w1_io.c
index 442bd8bbd4a5..3ebe9726a9e5 100644
--- a/drivers/w1/w1_io.c
+++ b/drivers/w1/w1_io.c
@@ -69,7 +69,7 @@ static u8 w1_touch_bit(struct w1_master *dev, int bit)
return w1_read_bit(dev);
else {
w1_write_bit(dev, 0);
- return(0);
+ return 0;
}
}
@@ -184,17 +184,17 @@ static u8 w1_read_bit(struct w1_master *dev)
*/
u8 w1_triplet(struct w1_master *dev, int bdir)
{
- if ( dev->bus_master->triplet )
- return(dev->bus_master->triplet(dev->bus_master->data, bdir));
+ if (dev->bus_master->triplet)
+ return dev->bus_master->triplet(dev->bus_master->data, bdir);
else {
u8 id_bit = w1_touch_bit(dev, 1);
u8 comp_bit = w1_touch_bit(dev, 1);
u8 retval;
- if ( id_bit && comp_bit )
- return(0x03); /* error */
+ if (id_bit && comp_bit)
+ return 0x03; /* error */
- if ( !id_bit && !comp_bit ) {
+ if (!id_bit && !comp_bit) {
/* Both bits are valid, take the direction given */
retval = bdir ? 0x04 : 0;
} else {
@@ -203,11 +203,11 @@ u8 w1_triplet(struct w1_master *dev, int bdir)
retval = id_bit ? 0x05 : 0x02;
}
- if ( dev->bus_master->touch_bit )
+ if (dev->bus_master->touch_bit)
w1_touch_bit(dev, bdir);
else
w1_write_bit(dev, bdir);
- return(retval);
+ return retval;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-07 00:00:44 +0100